Shimano Ultegra FC-R8000 Road Bike Crankset 165mm 53/39T High-Performance

The Shimano Ultegra Hollow Tech II Crankset is engineered for road cyclists seeking an optimal blend of power transfer and lightweight efficiency without compromising on durability. Designed to elevate performance on varied terrains—from steep climbs to high-speed descents—this double-chainring system combines precision engineering with rider-centric features. Its 53/39T chainring configuration delivers a wide gear range ideal for conquering challenging ascents while maintaining top-end speed during sprints or open-road racing. Built around Shimano’s signature Hollow Tech II spindle design, this crankset achieves an impressive 690-gram weight while retaining exceptional stiffness for responsive pedaling under even the most intense efforts.

One standout feature is its asymmetric chainring design (110 BCD), which improves chain retention by optimizing tooth alignment relative to the frame’s chainstay geometry (>415mm). This reduces friction and enhances shifting accuracy across all 11-speed gears, making it perfect for technical descents or fast-paced group rides where precise transitions are critical. The crankset’s compatibility with modern road disc hubs (135/142mm) ensures seamless integration into disc brake-equipped bikes, offering stability on rough surfaces or during aggressive braking maneuvers.

Whether you’re training for a century ride or competing in gran fondos, this crankset’s Black finish not only complements sleek bike builds but also withstands wear from long hours on demanding routes. At 165mm crank length (available in other sizes), it provides a balanced leverage ratio favored by many endurance athletes and racers alike. The 9/16” spindle interface ensures secure pedal attachment while maintaining low rotational mass—a key advantage for riders prioritizing every gram saved during climbs or time trials.

Why Choose Ultegra Over Competitors?
| Feature | Shimano Ultegra HT II | SRAM Force AXS | Campagnolo Super Record |
|————————|——————————-|————————-|——————————-|
| Weight | 690g (lightweight efficiency) | 720g (slightly heavier) | 820g (premium but heavier) |
| Stiffness | High rigidity for power transfer | Moderate flex under load | Exceptional stiffness |
| Disc Hub Compatibility | 135/142mm road disc hubs | Limited disc support | Disc compatible |
| Chainring Design | Asymmetric BCD for stability | Traditional BCD | Traditional BCD |
| Price Point | Mid-high-end value | Higher premium cost | Ultra-premium pricing |

Ideal for serious road riders who demand reliability without excess weight, this crankset pairs seamlessly with Shimano’s 11-speed drivetrains while offering versatility across disciplines—from endurance events to criterium races. Its hollow spindle construction minimizes rotational inertia while maximizing strength, ensuring consistent performance even during prolonged efforts. Whether tackling cobblestone stages or weekend group rides, this component delivers smooth shifts and efficient power delivery every time. Note that a compatible bottom bracket is required for installation—a small trade-off for its superior performance benefits compared to integrated systems found in some competitor models.